<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>PWA APP Start Index</title>
    <style>
        .pwa_start{
            line-height: 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            min-height: 90vh;
            font-size: 20px;
        }
        .img{
            max-height: 200px;
            animation: rotate 3s  linear infinite;
    
        }
        @keyframes rotate {
            0% {
                transform: rotateY(0);
            }
            100% {
                transform: rotateY(360deg);
            }
        }
    </style>
</head>

<body>
    <div class="pwa_start">
       <div> this.is manifest start html</div>
       <img class="img" src="./tobog.png" alt="">
       <div> 正在加载中</div>
    </div>
    <script>
        setTimeout(()=>{
            location.href="/index.html"
        },6000)
    </script>
</body>

</html>